== sanity test 398c: run fio to test AIO ================= 21:21:52 (1781227312) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.567083 s, 74.0 MB/s osc.lustre-OST0000-osc-ffff99ad8ad78000.rpc_stats=clear writing 40M to OST0 by fio with 4 jobs... rand-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=181275: Thu Jun 11 21:22:34 2026 write: IOPS=83, BW=332KiB/s (340kB/s)(10.0MiB/30836msec); 0 zone resets slat (usec): min=40, max=13043, avg=328.19, stdev=728.88 clat (msec): min=26, max=586, avg=192.11, stdev=46.57 lat (msec): min=26, max=587, avg=192.44, stdev=46.56 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 136], 10.00th=[ 146], 20.00th=[ 159], | 30.00th=[ 169], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 199], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 264], | 99.00th=[ 288], 99.50th=[ 418], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 144, max= 474, per=25.07%, avg=331.43, stdev=55.85, samples=61 iops : min= 36, max= 118, avg=82.49, stdev=13.90, samples=61 lat (msec) : 50=0.27%, 100=1.41%, 250=90.47%, 500=7.54%, 750=0.31% cpu : usr=0.21%, sys=1.24%, ctx=2844, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=181276: Thu Jun 11 21:22:34 2026 write: IOPS=82, BW=331KiB/s (339kB/s)(10.0MiB/30962msec); 0 zone resets slat (usec): min=53, max=18793, avg=369.51, stdev=1036.29 clat (msec): min=30, max=316, avg=192.13, stdev=39.92 lat (msec): min=31, max=316, avg=192.50, stdev=39.94 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 132], 10.00th=[ 146], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 192], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 245], 95.00th=[ 262], | 99.00th=[ 296], 99.50th=[ 305], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 317] bw ( KiB/s): min= 208, max= 493, per=24.97%, avg=330.07, stdev=58.21, samples=61 iops : min= 52, max= 123, avg=82.15, stdev=14.49, samples=61 lat (msec) : 50=0.16%, 100=0.78%, 250=90.47%, 500=8.59% cpu : usr=0.19%, sys=1.09%, ctx=2738, majf=0, minf=9 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=181277: Thu Jun 11 21:22:34 2026 write: IOPS=82, BW=332KiB/s (340kB/s)(10.0MiB/30862msec); 0 zone resets slat (usec): min=47, max=13083, avg=349.62, stdev=904.63 clat (msec): min=24, max=407, avg=191.69, stdev=41.07 lat (msec): min=33, max=407, avg=192.05, stdev=41.05 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 133], 10.00th=[ 146], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 184], 50.00th=[ 190], 60.00th=[ 199], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 264], | 99.00th=[ 292], 99.50th=[ 309], 99.90th=[ 321], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 240, max= 462, per=25.08%, avg=331.51, stdev=51.88, samples=61 iops : min= 60, max= 115, avg=82.51, stdev=12.95, samples=61 lat (msec) : 50=0.08%, 100=1.76%, 250=91.21%, 500=6.95% cpu : usr=0.13%, sys=1.13%, ctx=1960, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=181278: Thu Jun 11 21:22:34 2026 write: IOPS=82, BW=331KiB/s (339kB/s)(10.0MiB/30943msec); 0 zone resets slat (usec): min=38, max=18240, avg=338.29, stdev=881.39 clat (msec): min=25, max=319, avg=192.13, stdev=39.66 lat (msec): min=25, max=320, avg=192.47, stdev=39.67 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 136], 10.00th=[ 146], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 268], | 99.00th=[ 292], 99.50th=[ 305], 99.90th=[ 321], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 248, max= 429, per=24.93%, avg=329.62, stdev=47.26, samples=61 iops : min= 62, max= 107, avg=82.03, stdev=11.79, samples=61 lat (msec) : 50=0.04%, 100=0.98%, 250=91.21%, 500=7.77% cpu : usr=0.17%, sys=1.25%, ctx=2597, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): WRITE: bw=1323KiB/s (1355kB/s), 331KiB/s-332KiB/s (339kB/s-340kB/s), io=40.0MiB (41.9MB), run=30836-30962msec mix rw 40M to OST0 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=181293: Thu Jun 11 21:23:13 2026 read: IOPS=40, BW=164KiB/s (168kB/s)(5048KiB/30808msec) slat (usec): min=59, max=73463, avg=13326.46, stdev=7614.87 clat (msec): min=25, max=354, avg=181.80, stdev=47.04 lat (msec): min=35, max=366, avg=195.13, stdev=48.80 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 113], 10.00th=[ 126], 20.00th=[ 142], | 30.00th=[ 157], 40.00th=[ 167], 50.00th=[ 180], 60.00th=[ 192], | 70.00th=[ 205], 80.00th=[ 220], 90.00th=[ 241], 95.00th=[ 266], | 99.00th=[ 305], 99.50th=[ 326], 99.90th=[ 347], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 87, max= 238, per=25.27%, avg=163.23, stdev=38.36, samples=60 iops : min= 21, max= 59, avg=40.37, stdev= 9.58, samples=60 write: IOPS=42, BW=169KiB/s (173kB/s)(5192KiB/30808msec); 0 zone resets slat (usec): min=56, max=25397, avg=364.42, stdev=1206.65 clat (msec): min=65, max=341, avg=188.92, stdev=46.43 lat (msec): min=66, max=341, avg=189.28, stdev=46.40 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 122], 10.00th=[ 132], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 226], 90.00th=[ 249], 95.00th=[ 275], | 99.00th=[ 317], 99.50th=[ 321], 99.90th=[ 338], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 79, max= 263, per=25.12%, avg=168.82, stdev=39.70, samples=60 iops : min= 19, max= 65, avg=41.75, stdev=10.02, samples=60 lat (msec) : 50=0.08%, 100=2.03%, 250=89.18%, 500=8.71% cpu : usr=0.21%, sys=1.95%, ctx=4508, majf=0, minf=11 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1262,1298,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=181294: Thu Jun 11 21:23:13 2026 read: IOPS=40, BW=161KiB/s (164kB/s)(4976KiB/30996msec) slat (usec): min=1839, max=70610, avg=13701.85, stdev=7967.12 clat (msec): min=61, max=382, avg=182.01, stdev=45.93 lat (msec): min=70, max=396, avg=195.72, stdev=48.04 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 116], 10.00th=[ 126], 20.00th=[ 144], | 30.00th=[ 157], 40.00th=[ 167], 50.00th=[ 180], 60.00th=[ 190], | 70.00th=[ 203], 80.00th=[ 218], 90.00th=[ 241], 95.00th=[ 264], | 99.00th=[ 305], 99.50th=[ 313], 99.90th=[ 363], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 65, max= 263, per=24.80%, avg=160.23, stdev=40.24, samples=61 iops : min= 16, max= 65, avg=39.61, stdev=10.07, samples=61 write: IOPS=42, BW=170KiB/s (174kB/s)(5264KiB/30996msec); 0 zone resets slat (usec): min=54, max=8719, avg=266.68, stdev=585.60 clat (msec): min=79, max=344, avg=188.67, stdev=45.33 lat (msec): min=79, max=344, avg=188.94, stdev=45.34 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 123], 10.00th=[ 133], 20.00th=[ 150], | 30.00th=[ 165], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 199], | 70.00th=[ 211], 80.00th=[ 226], 90.00th=[ 249], 95.00th=[ 268], | 99.00th=[ 321], 99.50th=[ 326], 99.90th=[ 338], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 103, max= 279, per=25.32%, avg=170.18, stdev=38.95, samples=61 iops : min= 25, max= 69, avg=42.10, stdev= 9.79, samples=61 lat (msec) : 100=1.76%, 250=89.53%, 500=8.71% cpu : usr=0.21%, sys=1.88%, ctx=4270, majf=0, minf=11 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1244,1316,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=181295: Thu Jun 11 21:23:13 2026 read: IOPS=40, BW=161KiB/s (165kB/s)(4984KiB/31019msec) slat (usec): min=2770, max=72021, avg=13705.49, stdev=8251.28 clat (msec): min=43, max=330, avg=182.30, stdev=46.09 lat (msec): min=54, max=337, avg=196.01, stdev=47.87 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 112], 10.00th=[ 126], 20.00th=[ 142], | 30.00th=[ 157], 40.00th=[ 169], 50.00th=[ 180], 60.00th=[ 192], | 70.00th=[ 203], 80.00th=[ 218], 90.00th=[ 245], 95.00th=[ 268], | 99.00th=[ 305], 99.50th=[ 313], 99.90th=[ 326], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 70, max= 247, per=24.99%, avg=161.44, stdev=36.63, samples=61 iops : min= 17, max= 61, avg=39.92, stdev= 9.20, samples=61 write: IOPS=42, BW=169KiB/s (174kB/s)(5256KiB/31019msec); 0 zone resets slat (usec): min=56, max=24801, avg=337.20, stdev=1004.05 clat (msec): min=82, max=384, avg=188.42, stdev=46.97 lat (msec): min=82, max=384, avg=188.76, stdev=46.99 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 124], 10.00th=[ 133], 20.00th=[ 148], | 30.00th=[ 159], 40.00th=[ 174], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 226], 90.00th=[ 249], 95.00th=[ 271], | 99.00th=[ 326], 99.50th=[ 368], 99.90th=[ 380], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 87, max= 263, per=25.14%, avg=168.92, stdev=42.98, samples=61 iops : min= 21, max= 65, avg=41.80, stdev=10.76, samples=61 lat (msec) : 50=0.04%, 100=1.56%, 250=89.02%, 500=9.38% cpu : usr=0.23%, sys=1.88%, ctx=4690, majf=0, minf=11 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1246,1314,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=181296: Thu Jun 11 21:23:13 2026 read: IOPS=40, BW=163KiB/s (167kB/s)(5060KiB/31049msec) slat (usec): min=2806, max=64453, avg=13682.36, stdev=8013.49 clat (msec): min=11, max=337, avg=181.81, stdev=47.04 lat (msec): min=15, max=351, avg=195.49, stdev=49.27 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 113], 10.00th=[ 124], 20.00th=[ 142], | 30.00th=[ 157], 40.00th=[ 167], 50.00th=[ 180], 60.00th=[ 192], | 70.00th=[ 203], 80.00th=[ 220], 90.00th=[ 247], 95.00th=[ 268], | 99.00th=[ 300], 99.50th=[ 309], 99.90th=[ 321], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 70, max= 279, per=25.28%, avg=163.30, stdev=42.71, samples=61 iops : min= 17, max= 69, avg=40.38, stdev=10.66, samples=61 write: IOPS=41, BW=167KiB/s (171kB/s)(5180KiB/31049msec); 0 zone resets slat (usec): min=60, max=14695, avg=314.26, stdev=743.07 clat (msec): min=32, max=387, avg=189.62, stdev=47.18 lat (msec): min=32, max=388, avg=189.94, stdev=47.19 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 121], 10.00th=[ 133], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 199], | 70.00th=[ 211], 80.00th=[ 226], 90.00th=[ 251], 95.00th=[ 275], | 99.00th=[ 321], 99.50th=[ 338], 99.90th=[ 372], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 79, max= 264, per=24.70%, avg=165.98, stdev=41.13, samples=61 iops : min= 19, max= 66, avg=41.05, stdev=10.34, samples=61 lat (msec) : 20=0.04%, 50=0.16%, 100=1.88%, 250=88.05%, 500=9.88% cpu : usr=0.29%, sys=2.03%, ctx=4715, majf=0, minf=13 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1265,1295,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=646KiB/s (662kB/s), 161KiB/s-164KiB/s (164kB/s-168kB/s), io=19.6MiB (20.5MB), run=30808-31049msec WRITE: bw=673KiB/s (689kB/s), 167KiB/s-170KiB/s (171kB/s-174kB/s), io=20.4MiB (21.4MB), run=30808-31049msec AIO with large block size 40M rand-rw: (g=0): rw=randrw, bs=(R) 40.0MiB-40.0MiB, (W) 40.0MiB-40.0MiB, (T) 40.0MiB-40.0MiB, ioengine=libaio, iodepth=16 fio-3.19 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=181304: Thu Jun 11 21:23:23 2026 read: IOPS=1, BW=77.8MiB/s (81.6MB/s)(40.0MiB/514msec) slat (nsec): min=41103k, max=41103k, avg=41103450.00, stdev= 0.00 clat (nsec): min=444147k, max=444147k, avg=444147141.00, stdev= 0.00 lat (nsec): min=485256k, max=485256k, avg=485256348.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 443], 5.00th=[ 443], 10.00th=[ 443], 20.00th=[ 443], | 30.00th=[ 443], 40.00th=[ 443], 50.00th=[ 443], 60.00th=[ 443], | 70.00th=[ 443], 80.00th=[ 443], 90.00th=[ 443], 95.00th=[ 443], | 99.00th=[ 443], 99.50th=[ 443], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.34%, ctx=4, majf=0, minf=8 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=77.8MiB/s (81.6MB/s), 77.8MiB/s-77.8MiB/s (81.6MB/s-81.6MB/s), io=40.0MiB (41.9MB), run=514-514msec debug=trace inode super iotrace malloc cache info ioctl neterror net warning buffs other dentry nettrace page dlmtrace error emerg ha rpctrace vfstrace reada mmap config console quota sec lfsck hsm snapshot layout